package com.atguigu.chapter06.oop

object MemState {
	def main(args: Array[String]): Unit = {
		val p1 = new Person2
		p1.name = "jack"
		p1.age = 10

		val p2 = p1
		println(p1 == p2) // true
		p1.name = "tom"
		println("p2.name=" + p2.name)
		println("p1.name=" + p1.name)
	}

}

class Person2 {
	var name = ""
	var age: Int = _ //如果是用 _ 方式给默认值，则属性必须指定类型
}
